#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>
#include<stdbool.h>

bool checkIfPangram(char* sentence) {
    int arr[26] = { 0 };
    int cur = 0;
    while (sentence[cur])
    {
        arr[sentence[cur++] - 'a'] ++;
    }
    for (int i = 0; i < 26;i++)
    {
        if (arr[i] == 0)
        {
            return false;
        }
    }
    return true;
}

int main()
{
    char arr[] = { "thequickbrownfoxjumpsoverthelazydog" };
    printf("%d ",checkIfPangram(arr));
	return 0;
}